时间的主要美在于你不能提前浪费它。下一年、下一天、下一小时都为你准备好了，就像你一生中从未浪费或误用一刻钟一样完美无瑕。
The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life.
Education is the kindling of a flame，not the filling of a vessel.
The most reliable way to predict the future is to invent it.
If you do not tell the truth about yourself you cannot tell it about other people.
The concept of law is a complex one, and it is not easy to define.
任务不是去看从未见过的东西，而是去思考每天所见却从未思考过的东西。